Abstract:ObjectiveTo explore the association between phase angle (PA) and nutritional risk and hospital length of stay in patients with malignant tumors. Methods We selected 259 patients with malignant tumors who were treated at the First Hospital of Hebei Medical University from October 2017 to September 2018 and used bioelectrical impedance analysis (BIA) for body composition testing to them. We chose nutritional risk screening 2002 (NRS 2002) for nutritional risk screening and patient-generated subjective global assessment (PG-SGA) for nutritional risk assessment to patients with malignant tumors, while collecting patients serum albumin (ALB) and hospitalization time. ResultsWe found that the BMI, ICW, FFM, SMM, BCM and protein of patients with malignant tumors in the normal PA group are higher than those in the low PA group (P<0.05). The ICW, FFM, SMM, BCM and protein of male patients with malignant tumors in normal PA group and low PA group are higher than those in females (P<0.05). The PA have an obviously negative correlation with NRS 2002 (r=-0.346,P<0.05) and PG-SGA (r=-0.393,P<0.05), meanwhile PA have a positive correlation with serum albumin (r=0.363,P<0.05) in evidence. Compared with the patients with malignant tumors in normal PA group, the patients in the low PA group are more likely to have nutritional risk. We calculate a serious of odds ratio (OR) and the results show that patients with malignant tumors who have nutritional risk (OR=3.7,95%CI=1.8~7.7) in the malnutrition group evaluated by NRS 2002 score, while moderate nutritional risk (OR=4.5, 95% CI=2.1~9.4) and severe nutritional risk (OR=12.6, 95% CI=5.1~31.3) by PG-SGA, grouped by serum albumin shows that serum albumin<40g/L (OR=3.7, 95% CI=2.1~6.4). Compared with the normal PA group patients, the low PA group patients have a longer hospital stay, and the hospitalization time is greater than or equal to 14 days (OR=1.9, 95% CI=1.0~3.3) (P<0.05). ConclusionLow PA is closely related to nutritional risk and hospital length of stay in patients with malignant tumors. Compared with normal PA patients, patients with low PA have higher nutritional risk and longer hospital length of stay. Therefore, to get PA of malignant tumor patients is helpful to quickly judge whether there is nutritional risk in them, which provides an objective basis for the implementation of nutritional intervention in time, and is conducive to disease control and improvement of patients.
宋世明,杜红珍,李增宁. 恶性肿瘤患者低相位角与营养风险和住院时间相关性研究[J]. 肿瘤代谢与营养电子杂志, 2019, 6(4): 451-456.
SONG Shi-ming, DU Hong-zhen, LI Zeng-ning. Study on the correlation between low phase angle and nutritional risk and hospitalization time in patients with malignant tumor. Electron J Metab Nutr Cancer, 2019, 6(4): 451-456.
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